New heights on the high seas: Royal Caribbean cruise line launches capsule to transport guests 300 feet above the ocean

Is it a bird? Is it a plane? No, it's the latest whacky addition to Royal Caribbean's fleet of 21 cruise ships.

The cruise line, which already boasts zip lines, real trees, boxing rings and the world's first sea bound amphitheatre on board its ships, is launching the North Star:a jewel-shaped, glass capsule, transporting guests more than 300 feet above the ocean.

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The North Star, set to launch this November, will carry as many as 13 guests at a time

The bubble-like structure, which was inspired by the London Eye, will feature on brand new ship Quantum of the Seas and will give those brave enough to be hoisted high above the ocean incredible 360-degree views.

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The attraction is one of several new features on board Quantum of the Seas, which is set to launch on November 23.

The North Star: The orb-like structure was based on the London Eye

Quantum of the Seas: How the brand new ship will look featuring the North Star

Other new features, which will be free to all passengers, include The Sea-Plex, the largest indoor sports and entertainment complex at sea with bumper cars, a simulated skydiving experience, a version of the line's popular FlowRider surfing simulator, and 'virtual balconies' - video screens that provide streaming views of the ship's surroundings to interior cabins.

The view from above: Up to 13 passengers at a time will get to experience fabulous panoramic views

The Quantum of the Seas will also have Jamie's Italian restaurants, new 'family connected' staterooms are designed to offer more flexibility for multi-generational travel and 'studio' staterooms, especially for single travelers.

The 1,141-foot-long 16-decked ship will have capacity to carry 4,180 guests and will travel to the Caribbean from the New York City area.